<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table align="center" bgcolor="aqua" border="1px" width="300px" cellpadding="0" cellspacing="0">
    <caption>表格的标题</caption>
    <tr>
        <th rowspan="2">1</th>
        <th>2</th>
        <th>3</th>
    </tr>
    <tr>
<!--        <td align="center">4</td>-->
        <td>5</td>
        <td>6</td>
    </tr>
    <tr>
        <td>7</td>
        <td colspan="2" align="center">8</td>
<!--        <td>9</td>-->
    </tr>
</table>
</body>
</html>